Base | Representation |
---|---|
bin | 11011001101100… |
… | …01011001011101 |
3 | 120220112012022001 |
4 | 31212301121131 |
5 | 431414030423 |
6 | 34352322301 |
7 | 5441146150 |
oct | 1546613135 |
9 | 526465261 |
10 | 228267613 |
11 | 10793a922 |
12 | 64543391 |
13 | 383a38c2 |
14 | 2245dc97 |
15 | 1508ecad |
hex | d9b165d |
228267613 has 16 divisors (see below), whose sum is σ = 270466560. Its totient is φ = 188496000.
The previous prime is 228267509. The next prime is 228267629. The reversal of 228267613 is 316762822.
It is a de Polignac number, because none of the positive numbers 2k-228267613 is a prime.
It is a super-2 number, since 2×2282676132 = 104212206289435538, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (228261613) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121068 + ... + 122938.
It is an arithmetic number, because the mean of its divisors is an integer number (16904160).
Almost surely, 2228267613 is an apocalyptic number.
It is an amenable number.
228267613 is a deficient number, since it is larger than the sum of its proper divisors (42198947).
228267613 is a wasteful number, since it uses less digits than its factorization.
228267613 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2508.
The product of its digits is 48384, while the sum is 37.
The square root of 228267613 is about 15108.5278237160. The cubic root of 228267613 is about 611.1503983031.
The spelling of 228267613 in words is "two hundred twenty-eight million, two hundred sixty-seven thousand, six hundred thirteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.087 sec. • engine limits •